Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Ireland to Belfast from €44

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Belfast departing on 21/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Ireland to Belfast

Recent return flight deals from Ireland to Belfast

Enter your travel dates to find the best prices.
Multiple Airlines Logo
22:00 - 11:35
DUB
-
BFS
13h 35m
1 stop
Multiple Airlines Logo
16:40 - 21:20
BFS
-
DUB
4h 40m
1 stop
€77Multiple Airlines
Tue, 21 Apr - Tue, 28 Apr
Multiple Airlines Logo
16:15 - 23:20
DUB
-
BFS
7h 05m
1 stop
Multiple Airlines Logo
20:15 - 00:05
BFS
-
DUB
3h 50m
1 stop
€79Multiple Airlines
Wed, 22 Apr - Wed, 29 Apr
Multiple Airlines Logo
06:30 - 21:00
DUB
-
BFS
14h 30m
1 stop
Multiple Airlines Logo
09:15 - 19:20
BFS
-
DUB
10h 05m
1 stop
€80Multiple Airlines
Thu, 23 Apr - Thu, 30 Apr
Multiple Airlines Logo
07:50 - 15:20
ORK
-
BFS
7h 30m
1 stop
Multiple Airlines Logo
12:45 - 16:55
BFS
-
ORK
4h 10m
1 stop
€86Multiple Airlines
Thu, 23 Apr - Thu, 30 Apr
Multiple Airlines Logo
10:05 - 15:15
DUB
-
BFS
5h 10m
1 stop
Multiple Airlines Logo
07:30 - 12:30
BFS
-
DUB
5h 00m
1 stop
€87Multiple Airlines
Wed, 8 Apr - Wed, 15 Apr
Multiple Airlines Logo
17:25 - 22:20
ORK
-
BFS
4h 55m
1 stop
Multiple Airlines Logo
21:55 - 08:05
BFS
-
ORK
10h 10m
1 stop
€87Multiple Airlines
Thu, 18 Jun - Mon, 22 Jun
Multiple Airlines Logo
19:55 - 08:05
DUB
-
BFS
12h 10m
1 stop
Multiple Airlines Logo
06:30 - 11:35
BFS
-
DUB
5h 05m
1 stop
€88Multiple Airlines
Mon, 20 Apr - Mon, 27 Apr
Multiple Airlines Logo
17:25 - 22:20
ORK
-
BFS
4h 55m
1 stop
Multiple Airlines Logo
21:55 - 08:05
BFS
-
ORK
10h 10m
1 stop
€88Multiple Airlines
Thu, 16 Apr - Mon, 20 Apr
Multiple Airlines Logo
12:30 - 18:55
DUB
-
BFS
6h 25m
1 stop
Multiple Airlines Logo
16:35 - 21:35
BFS
-
DUB
5h 00m
1 stop
€90Multiple Airlines
Mon, 23 Mar - Thu, 26 Mar
Multiple Airlines Logo
20:20 - 06:45
DUB
-
BFS
10h 25m
1 stop
Multiple Airlines Logo
23:30 - 10:25
BFS
-
DUB
10h 55m
1 stop
€91Multiple Airlines
Mon, 27 Apr - Tue, 28 Apr

KLM flights from Ireland to Belfast

Our best KLM deals on Ireland to Belfast flight tickets
KLM
27 Apr
DUB05:55Dublin
11h 00m
1 stop
BHD16:55Belfast City
3 May
BHD09:50Belfast City
12h 35m
1 stop
DUB22:25Dublin
€230
KLM
27 Apr
ORK06:15Cork
10h 40m
1 stop
BHD16:55Belfast City
3 May
BHD09:50Belfast City
12h 45m
1 stop
ORK22:35Cork
€275
KLM
27 Apr
ORK10:50Cork
6h 05m
1 stop
BHD16:55Belfast City
3 May
BHD09:50Belfast City
12h 45m
1 stop
ORK22:35Cork
€328

Aer Lingus flights from Ireland to Belfast

Our best Aer Lingus deals on Ireland to Belfast flight tickets
Aer Lingus
27 Apr
DUB06:40Dublin
8h 20m
1 stop
BHD15:00Belfast City
6 May
BHD15:40Belfast City
6h 05m
1 stop
DUB21:45Dublin
€181
Aer Lingus
10 Apr
DUB17:50Dublin
3h 00m
1 stop
BHD20:50Belfast City
12 Apr
BHD06:50Belfast City
6h 55m
1 stop
DUB13:45Dublin
€223
Aer Lingus
27 Apr
DUB06:40Dublin
8h 20m
1 stop
BHD15:00Belfast City
6 May
BHD07:00Belfast City
14h 45m
1 stop
DUB21:45Dublin
€269

momondo Fare Finder

 
Customise your flight search to find flights from Ireland to Belfast that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 13,528 searches. Data last updated 11 March 2026.
Use the filters below to find and compare flights from Ireland to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Tue 21/4

22:00-11:35

1 stop13h 35m

Belfast Intl

Tue 28/4

16:40-21:20

1 stop4h 40m

€77

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Wed 22/4

16:15-23:20

1 stop7h 05m

Belfast Intl

Wed 29/4

20:15-00:05

1 stop3h 50m

€79

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 23/4

06:30-21:00

1 stop14h 30m

Belfast Intl

Thu 30/4

09:15-19:20

1 stop10h 05m

€80

CorkBelfast

ORK - BFS

ORKBFS

Cork

Thu 23/4

07:50-15:20

1 stop7h 30m

Belfast Intl

Thu 30/4

12:45-16:55

1 stop4h 10m

€86
Fastest return journey

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Wed 8/4

10:05-15:15

1 stop5h 10m

Belfast Intl

Wed 15/4

07:30-12:30

1 stop5h 00m

€87

CorkBelfast

ORK - BFS

ORKBFS

Cork

Thu 18/6

17:25-22:20

1 stop4h 55m

Belfast Intl

Mon 22/6

21:55-08:05

1 stop10h 10m

€87

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 20/4

19:55-08:05

1 stop12h 10m

Belfast Intl

Mon 27/4

06:30-11:35

1 stop5h 05m

€88

CorkBelfast

ORK - BFS

ORKBFS

Cork

Thu 16/4

17:25-22:20

1 stop4h 55m

Belfast Intl

Mon 20/4

21:55-08:05

1 stop10h 10m

€88

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 23/3

12:30-18:55

1 stop6h 25m

Belfast Intl

Thu 26/3

16:35-21:35

1 stop5h 00m

€90

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 27/4

20:20-06:45

1 stop10h 25m

Belfast Intl

Tue 28/4

23:30-10:25

1 stop10h 55m

€91

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Belfast from

How to get the cheapest flight ticket from Ireland to Belfast

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Ireland to Belfast?

Ryanair and British Airways are the most popular carriers operating from Ireland to Belfast

Cheap Ireland to Belfast flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to Belfast

Fastest flight time

3h 00m

Direct flights

None
The fastest flight from Ireland to Belfast takes 3h 00m
There are no direct flights from Ireland to Belfast. There are no popular flight routes from Ireland to Belfast.
Search flight deals

  • When did momondo last update prices for flights from Ireland to Belfast?

    Prices for flights from Ireland to Belfast are refreshed on a daily basis.

  • How many operators does momondo search for flights from Ireland to Belfast?

  • How old do you have to be to fly from Ireland to Belfast?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ireland to Belfast.

  • What documentation or ID do you need to fly to Belfast?

    The required travel and health documents for your Belfast trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Belfast. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Ireland to Belfast

Compare and see reviews for airlines that fly from Ireland to Belfast with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom €261Free CancellationRating
6.7
7,781 reviews
Search British Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Ireland to Belfast?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ireland to Belfast . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ireland to Belfast with flexible booking policies on momondo?

Yes. All flights to Belfast from Ireland on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Ireland to Belfast?

Once all potential Ireland to Belfast flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Ireland to Belfast right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ireland to Belfast now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Belfast and let you know when they change.

An easier way to manage your Belfast trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 10/4
Fri 17/4
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast

Airports listed have a maximum distance of 19.6 km from Belfast
Belfast Intl Airport
Belfast City Airport